EP 4255156 A4 20240327 - ORGANIC LIGHT-EMITTING DEVICE

Title (en)

ORGANIC LIGHT-EMITTING DEVICE

Title (de)

ORGANISCHE LICHTEMITTIERENDE VORRICHTUNG

Title (fr)

DISPOSITIF ÉLECTROLUMINESCENT ORGANIQUE

Publication

EP 4255156 A4 20240327 (EN)

Application

EP 22849755 A 20220712

Priority

KR 20210097800 A 20210726
KR 2022010101 W 20220712
KR 20210059360 A 20210507

Abstract (en)

[origin: EP4254528A1] The present disclosure provides an organic light emitting device having improved driving voltage, efficiency and lifetime.

IPC 8 full level

H10K 85/60 (2023.01); H10K 99/00 (2023.01); H10K 50/11 (2023.01); H10K 101/00 (2023.01); H10K 101/10 (2023.01)

CPC (source: EP KR US)

C07D 209/86 (2013.01 - EP US); C07D 405/14 (2013.01 - EP US); C07D 409/14 (2013.01 - EP); C07D 487/04 (2013.01 - EP US); C09K 11/06 (2013.01 - EP US); H10K 50/11 (2023.02 - EP KR US); H10K 85/615 (2023.02 - US); H10K 85/654 (2023.02 - EP KR US); H10K 85/6572 (2023.02 - EP KR US); H10K 85/6574 (2023.02 - EP US); H10K 85/6576 (2023.02 - US); C07B 2200/05 (2013.01 - US); C09K 2211/1018 (2013.01 - US); H10K 2101/10 (2023.02 - EP); H10K 2101/90 (2023.02 - EP)

Citation (search report)

[X] KR 20220009351 A 20220124 - LG CHEMICAL LTD [KR]
[I] WO 2022131123 A1 20220623 - NIPPON STEEL CHEMICAL & MAT CO LTD [JP]
[A] WO 2022065761 A1 20220331 - LT MAT CO LTD [KR]
See also references of WO 2023008779A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

EP 4254528 A1 20231004; EP 4254528 A4 20241002; CN 116746299 A 20230912; CN 116762495 A 20230915; EP 4255156 A1 20231004; EP 4255156 A4 20240327; JP 2024500434 A 20240109; JP 2024521605 A 20240604; KR 20220151981 A 20221115; KR 20220152107 A 20221115; KR 20240144005 A 20241002; US 2024114779 A1 20240404; US 2024114783 A1 20240404; WO 2022235144 A1 20221110; WO 2023008779 A1 20230202

DOCDB simple family (application)

EP 22799187 A 20220429; CN 202280008520 A 20220429; CN 202280009577 A 20220712; EP 22849755 A 20220712; JP 2023537125 A 20220712; JP 2023537336 A 20220429; KR 20210059360 A 20210507; KR 20210097800 A 20210726; KR 2022010101 W 20220712; KR 2022095093 W 20220429; KR 20240123375 A 20240910; US 202118272550 A 20210712; US 202218272559 A 20220429